import numpy as np;
def init_network():
    network = {}
    network['W1'] = np.array([[0.1,0.3,0.5],[0.2,0.4,0.6]])
    network['b1'] = np.array([0.1, 0.2, 0.3])

    network['W2'] = np.array([[0.1,0.4],[0.2,0.5],[0.3,0.6]])
    network['b1'] = np.array([0.1, 0.2])

    network['W3'] = np.array([[0.1,0.3],[0.2,0.4]])
    network['b3'] = np.array([0.1, 0.2])

    return network

def forward(network, x):
    W1, W2, W3 = network['W1'],network['W2'],network['W3']
    b1, b2, b3 = network['b1'],network['b2'],network['b3']
